Home / 8,090.06-11,164.75-5,396.62

Finding the Fourth Proportional to 8,090.06, 11,164.75 and 5,396.62

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Solution

The fourth proportional to 8,090.06, 11,164.75 and 5,396.62 is: 7,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.06 : 11,164.75 = 5,396.62 : x
  2. Step 2: Convert to fraction form
    8,090.06/11,164.75 = 5,396.62/x
  3. Step 3: Cross multiply
    8,090.06x = 11,164.75 × 5,396.62
  4. Step 4: Simplify right side
    8,090.06x = 60,251,913.15
  5. Step 5: Solve for x
    x = 60,251,913.15/8,090.06
  6. Step 6: Final answer
    x = 7,447.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.